Openable chimney cap and flue damper

Details Openable chimney cap and flue damper Openable chimney cap and flue damper

1991-01-25

1992-03-10

Chilcot, Jr., Richard E.

Static structures (e.g., buildings)

Flue with gaseous fluid-directing feature

454 4, 454 12, F23L 1710

Patent

active

050940503

ABSTRACT:
A chimney cap and flue damper supported for vertical movement on the upper end of a chimney liner with an operating cable extending downwardly to the fireplace opening to effect opening and closing movement of a hollow insulation filled sheet metal closure member. The cap is supported by a support assembly having a plurality of radially expandable turnbuckles which are anchored in sockets formed in the chimney liner. The operating cable is provided with a removable weight which is sufficient to overcome a spring which holds the closure member in open position.

REFERENCES:
patent: 2295839 (1942-09-01), Grigsby
patent: 3101039 (1963-08-01), Duchene et al.
patent: 4020754 (1977-05-01), Dalsin et al.

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